Temperature Record of the Week
This issue's Temperature Record of the week is from Greenville, PA. Visit our U.S. Climate Data section to plot and view these data for yourself.

EditorialThe Medieval Warm Period in the Central Alps of Austria: How does it compare with what is suggested by other Northern Hemispheric temperature reconstructions? And what does the new study imply about the relative roles of solar and atmospheric CO2 forcing of climate over the past two millennia?

Subject Index Summaries"Little" Medieval Warm Period: In addition to the voluminous evidence that continues to accumulate for the occurrence of higher-than-present temperatures during the Roman Warm Period of 2000 years ago and the Medieval Warm Period of 1000 years ago, a growing body of evidence is beginning to indicate there was a period of time some 500 years ago when temperatures were also warmer than they are currently.